Modifiers matching arthritis:

• metabolic,
• noninfectious,
• transient,
• inflammatory,
• systemic,
• primary,
• severe,
• active,
• degenerative,
• septic,
• acute,
• adult,
• induced,
• preexisting,
• underlying,

Simple categories matching degenerative:

• abnormality,
• condition,
• disease,
• process,
• lesion,
• arthritis,
• event,
• affliction,
• reaction,
• change,
• phenomenon,
• pathology,
• illness,
• disorder,
• symptom,
• state,
• retinopathy,